Meta Platforms, Inc.

Meta Platforms, Inc. notified California AG on Jun 5, 2026 of a data breach, which occurred on May 31, 2026. Data exposed: Date of birth, Usernames / passwords, Email address, Phone number, Postal address.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Meta Platforms, Inc.
Source: California AG · source record
Date reported: Jun 5, 2026
Date(s) of breach: Friday, April 17, 2026Sunday, May 31, 2026
Residents affected: Not published by this source
Data exposed: Date of birth Usernames / passwords Email address Phone number Postal address
Notice letter: Sample notice (PDF)
Days to notice: 5 days from the end of the breach window (May 31, 2026, no discovery date in the letter) to the California record (Jun 5, 2026). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
First seen by BreachTally: 2026-10-30 15:27 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.